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The [OH-] = 1.3 x 10^ -6 M for a 0.025 M solution of a weak base. Calculate the value of Kb for this weak base.
a) 5.2 x 10 ^ -5b) 3.1 x 10 ^ -7c) 7.7 x 10 ^ -9d) 4.0 x 10 ^ -8e) 6.8 x 10 ^ -11
The pascal is the SI unit for pressure defined as force (in newtons) per unit area ( in m2). If the force exerted by a gas on a 2.5 square meter area is 8.5 newtons, what is the pressure of the gas in Pa?
A. 0.29B. 0.21C. 8.5D. 17E. 3.4
Calculate the binding energy of the 2s electron in iron and calculate the binding energy of the 2s electron in iron. Does the new energy agree better with experiment?
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A cylinder is separated into two sections Y and Z by an insulating frictionless piston and sealed at both ends. Each section has two moles of an ideal gas.
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
I understand the rules for significant figures with multiplication/division, and adding/subtracting. But I am unsure of what to do when there is both multiplication and/or division, and adding and/or subtracting in the same question?
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The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
Compute the final temperature of the solution assuming no heat lost to the surroundings .the solution has a specific heat capacity =4.18 J/°C·?
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
Ddetermines how many tablets should be given to her if there are five tablets in stock.
Determine which structure do you expect to contribute the most to the actual structure of BrO 4 - keep in mind to take in expanded octets, as suitable?
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